cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A067241 Numbers k such that gcd((2*k)!+1, k!+1) > 1.

Table of values

n a(n)
1 3
2 5
3 8
4 9
5 21
6 23
7 33
8 39
9 51
10 63
11 65
12 81
13 89
14 95
15 99
16 113
17 131
18 173
19 183
20 191
21 209
22 215
23 221
24 239
25 245
26 251
27 261
28 281
29 285
30 299
31 303
32 309
33 315
34 341
35 345
36 363
37 369
38 371
39 393
40 411
41 419
42 431
43 443
44 473
45 495
46 509
47 525
48 543
49 545
50 561
51 575
52 593
53 645
54 659
55 683
56 711

List of values

[3, 5, 8, 9, 21, 23, 33, 39, 51, 63, 65, 81, 89, 95, 99, 113, 131, 173, 183, 191, 209, 215, 221, 239, 245, 251, 261, 281, 285, 299, 303, 309, 315, 341, 345, 363, 369, 371, 393, 411, 419, 431, 443, 473, 495, 509, 525, 543, 545, 561, 575, 593, 645, 659, 683, 711]